plastics works

plastics works plastics是什么意思 plastics machinery什么意思 works works plastics和temperaturs各是什么意思 什么叫工程塑料 engineering plastics? plastics有塑料的意思吗 This cup is made _______(of /from)plastics. Examples of homogeneous materials are individual types of plastics,ceramics. 急求continental general plastics翻译成汉语 请问油基塑料是什么 英文是oil based plastics ____ plastics,the machine is light in weight She works Ex Works It works! God works works意思?